December weather forecast
Shimerville, PA

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Weather in December

The first month of the winter, December, is also a wintry month in Shimerville, Pennsylvania, with an average temperature ranging between min 28.9°F (-1.7°C) and max 40.3°F (4.6°C).

Temperature

The commencement of December indicates a shift in the average high-temperature, receding from November's cool 50°F (10°C) to a wintry 40.3°F (4.6°C). The month of December records an average low-temperature of 28.9°F (-1.7°C).

Humidity

In December, the average relative humidity in Shimerville is 80%.

Rainfall

In Shimerville, in December, during 10.8 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. In Shimerville, during the entire year, the rain falls for 156.9 days and collects up to 33.15" (842mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Shimerville. In Shimerville, during December, snow falls for 5.2 days and regularly aggregates up to 2.87" (73mm) of snow. In Shimerville, during the entire year, snow falls for 31.2 days and aggregates up to 18.98" (482mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:06 am and sunset at 4:36 pm. On the last day of December, sunrise is at 7:25 am and sunset at 4:45 pm EST.

Sunshine

The average sunshine in December in Shimerville is 4.6h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Shimerville. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.
Note: An average maximum UV index of 2 in December leads to these recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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Frequently asked questions

How cold is December in Shimerville?

In December, the average high-temperature and low-temperature in Shimerville are 40.3°F (4.6°C) and 28.9°F (-1.7°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, in August is calculated to be 86°F (30°C).

What is the average humidity in December in Shimerville?

In Shimerville, the average relative humidity in December is 80%.

How many days does it rain in December in Shimerville?

In Shimerville, Pennsylvania, in December, it is raining for 10.8 days, with typically 3.03" (77mm) of accumulated precipitation.

How much does it snow in Shimerville in December?

In December, it is snowing for 5.2 days. Throughout December, 2.87" (73mm) of snow is accumulated.

What is the month with the shortest days in Shimerville?

With an average of 9h and 18min of daylight, December has the shortest days of the year.

What is the average length of the day in December in Shimerville?

In December, the average day length is 9h and 20min.

When is the sunrise / sunset in December in Shimerville?

On the first day of December in Shimerville, sunrise is at 7:06 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:45 pm EST.

How long on average sun shines in December in Shimerville?

In December, the average sunshine duration is 4.6h.

What are the months with the lowest UV index in Shimerville?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Shimerville.

How high is the UV index in December in Shimerville?

In December, the average daily maximum UV index in Shimerville is 2. A UV Index reading of 2, and below, represents a low health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Shimerville, PA

Average temperature in December - Shimerville, PA
  • Average high temperature in December: 40.3°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (34.5°F).

  • Average low temperature in December: 28.9°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

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Average pressure in December
Shimerville, PA

Average pressure in December - Shimerville, PA
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in December
Shimerville, PA

Average wind speed in December - Shimerville, PA
  • Average wind speed in December: 7.6mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in December
Shimerville, PA

Average humidity in December - Shimerville, PA
  • Average humidity in December: 80%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (75%).

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Average rainfall in December
Shimerville, PA

Average rainfall in December - Shimerville, PA
  • Average rainfall in December: 3.03"

The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days in December
Shimerville, PA

Average rainfall days in December - Shimerville, PA
  • Average rainfall days in December: 10.8 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (8.1 days).

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Average snowfall in December
Shimerville, PA

Average snowfall in December - Shimerville, PA
  • Average snowfall in December: 2.87"

The month with the highest snowfall is March (5.16").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Shimerville, PA

Average snowfall days in December - Shimerville, PA
  • Average snowfall days in December: 5.2 days

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Shimerville, PA

Average daylight in December / Average sunshine in December - Shimerville, PA
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

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Average sunshine days in December
Shimerville, PA

Average sunshine days in December - Shimerville, PA
  • Average sunshine days in December: 15.8 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in December
Shimerville, PA

Average UV index in December - Shimerville, PA
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in December
Shimerville, PA

Average cloud cover in December - Shimerville, PA
  • Average cloud cover in December: 51

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in December
Shimerville, PA

Average visibility in December - Shimerville, PA
  • Average visibility in December: 5mi

The months with the highest visibility are April, June, July and November (6mi).
The months with the lowest visibility are January, February, March, May, August, September, October and December (5mi).

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Shimerville, Pennsylvania, USA

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